Alm_Rd: 05 (Hex.) (Read Alarm And Warning) - YASKAWA MECHATROLINK-II SI-T3 Technical Manual

8 MECHATROLINK-II Commands
Byte
6 - 15
16
The CONFIG command enables the data for which parameters have been written.
Error codes such as matching of parameters cannot be checked by the responses to this command. They must be
checked with the STATUS oPE fault bit of the status field. The command can be used in communication phases 2
and 3.
In the following case, a warning is generated and the command is ignored.
• If CONFIG_MOD is not a set value: Data setting warning (A.94)
• If not in phase 2 or 3: Command warning (A.95)
The following values can be assigned to CONFIG_MOD.
CONFIG_MOD
Write RAM
0
The setting value is not stored in EEPROM.
The setting value is saved in EEPROM.
1
The maximum number of writes to non-volatile drive memory is 100,000. Do not use the CONFIG command too frequently. If changing
several parameters, carry out the CONFIG command only after all the parameters have been changed.
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ALM_RD: 05 (Hex.) (Read Alarm and Warning)

Byte
1
2
3, 4
5
6 - 15
16
Byte ALM_RD_MOD = 0
5 00 (Hex.)
6 U2-01
7 U2-02
8
9
10
11
12
13
14
15
The ALM_RD command is used to read the following information about the status of faults and alarms.
• Present fault and alarm status list
• Fault history (Alarms are not retained in the history.)
• Details of faults
In the following case, a warning is generated and the command is ignored.
• If ALM_RD_MOD is other than a set value: Data setting warning (A.94)
The fault history is saved in EEPROM and is kept even when the control power is interrupted.
• If ALM_RD_MOD is set to 0: Fault code (1 byte) is entered to byte 6 of ALM_DATA, and byte 7 becomes the
value of the previous fault.
28
Command
0
WDT
Table 8.6 CONFIG_MOD
Command
ALM_RD
0
ALM_RD_MOD
0
WDT
Table 8.7 ALM_RD_MOD
ALM_RD_MOD = 1
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Description
01 (Hex.)
U3-01
U3-02
U3-03
U3-04
U3-05
U3-06
U3-07
U3-08
U3-09
U3-10
YASKAWA SIEP C730600 86F MECHATROLINK-II Technical Manual
Response
0
RWDT
Response
ALM_RD
ALARM
STATUS
ALM_RD_MOD
ALM_DATA
RWDT
ALM_RD_MOD = 2
02 (Hex.)
Alarm Index
Lower byte of U3-(Alarm Index + 1)
Upper byte of U3-(Alarm Index + 1)
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